THE DALLES, OR · Wasco County
CHENOWITH PUD Water System
Consumer Confidence Report status
CHENOWITH PUD must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CHENOWITH PUD.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.
System facts
- System ID (PWSID)
- OR4100867
- System type
- Community Water System
- Population served
- 4,500
- Service connections
- 1,501
- Ownership
- public/private mix
- Water source
- groundwater (wells)
CHENOWITH PUD is one of 63 community water systems in Oregon in the 3,301 to 10,000 people size category, serving 4,500 people from groundwater.
As of August 1, 2026, its federal record holds 69 entries between 1976 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.
Of the 69, 65 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-basedRevised Total Coliform Rule
July 1, 2022 – July 31, 2022
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2012 – December 31, 2012
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2012 – December 31, 2012
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2012 – December 31, 2012
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Atrazine
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—2,4-D
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Chlordane
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 2002 – January 31, 2002
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Simazine
January 1, 2002 – January 13, 2004
ResolvedMonitoring, Regular
—Nitrate
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Endothall
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Endrin
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Glyphosate
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Heptachlor
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 1999 – January 31, 1999
ResolvedMonitoring, Regular
—Picloram
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Simazine
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Toxaphene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—OXAMYL
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Benzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Toluene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—2,4-D
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Atrazine
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Carbofuran
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Chlordane
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Dalapon
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Styrene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1998 – January 31, 1998
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1997 – September 30, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 1997 – July 31, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 1997 – April 30, 1997
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 1996 – December 31, 1996
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1996 – November 30, 1996
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
May 1, 1992 – May 31, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1991 – November 30, 1991
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2022 – July 31, 2022 | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| January 1, 2012 – December 31, 2012 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2002 – January 31, 2002 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2002 – January 13, 2004 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 1999 – January 31, 1999 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1998 – January 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1997 – September 30, 1997 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 1997 – July 31, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 1997 – April 30, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 1996 – December 31, 1996 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| November 1, 1996 – November 30, 1996 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 1992 – May 31, 1992 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1991 – November 30, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 13, 1998State Public Notification received1 linked violation
- November 5, 1997State Public Notification received1 linked violation
- October 9, 1997State Public Notification received1 linked violation
- December 28, 1994State Public Notification received1 linked violation
Common questions
Is CHENOWITH PUD required to publish a Consumer Confidence Report?
- Yes. CHENOWITH PUD is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CHENOWITH PUD’s next Consumer Confidence Report due?
- CHENOWITH PUD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CHENOWITH PUD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CHENOWITH PUD.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CHENOWITH PUD
541-296-5363
THE DALLES, OR 97701